Inner retention ring



FIG. 1 is a front, top perspective view of an inner retention ringshowing our new design;

FIG. 2 is a front, bottom perspective view of the inner retention ringof FIG. 1;

FIG. 3 is a front elevated view of the inner retention ring of FIG. 1;

FIG. 4 is a rear elevated view of the inner retention ring of FIG. 1;

FIG. 5 is a left -side elevated view of the inner retention ring of FIG.1;

FIG. 6 is a right-side elevatedview of the inner retention ring of FIG.1;

FIG. 7 is a top plan view of the inner retention ring of FIG. 1;

FIG. 8 is a bottom plan view of the inner retention ring of FIG. 1; and,

FIG. 9 is a cross-section view of the inner retention ring of FIG. 1,taken along line 9-9 of FIG. 7.

The broken lines consisting of dashes show an environment that forms nopart of the claimed design.

CLAIM We claim the ornamental design of an inner retention ring, asshown and described.